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The DIAL+ software suite is developped by Estia SA.

DIAL+ is the result of a close partnership with the Swiss Federal Institute for Technology in Lausanne (LAURE and LESO-PB Labs).


Is has been funded by the Commission for Technolgy and Innovation (CTI) on behalf of the Swiss Confederation (Project : "Advanced Fenestration Design Tool").

DIAL+ is an extension of the DIAL-Europe software realised in 2003 with fundings from the European Commision in partnership with the following partners:

This product includes Radiance software ( developed by the Lawrence Berkeley National Laboratory (

The meteo files for thermal simulation are generated with METEONORM 6.1 (


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